ࡱ> BDAq`_/bjbjqPqP 40::4 $h(#E #h###:#### Q$E!j#~0##1  # U  ##   Upper Campanian to Maastrichtian foraminiferal assemblages of the Palmyra Region, Syria Foraminiferska zajednica gornjeg kampana i mastrihta na podru ju Palmyre, Sirija Damir Stankovi, Gabrijela Dacer, Ivan A. Mesi, Zlata Ivani ek, INA-Industrija nafte d.d., Sektor istra~ivanja i razvoja, Lovin ieva bb, HR-10000 Zagreb, Hrvatska Key words: planktonic foraminifera; Campanian; Maastrichtian; Palmyra region; Syria Klju ne rije i: planktonske foraminifere, kampan, mastriht, Palmyra, Sirija The biostratigraphical and sedimentological results were obtained from cutting samples from four exploration wells (Al Mahr-1, Jihar-1, Jihar-5 and Palmyra-1) located in the Palmyra Region in Syria. The detailed micropaleontological analyses were performed on planktonic and benthonic foraminifera assemblages of the Campanian and Maastrichtian sediments. Upper Campanian to Lower Maastrichtian sediments in the Al Mahr-1 well are composed of argillaceous limestones of wackestone to wackestone/packstone types; sediments in the Jihar-5 are consisted of argillaceous peloidal biomicrites, partly redeposited and thin layers of sandstone; and sediments in the Palmyra-1 well are composed of marls to calcareous marls with occurrences of chert and glauconite. The Upper Maastrichtian interval of the Palmyra-1 well is presented by marls and limestones of mudstone/wackestone type, with occasional occurrences of dolomites. However, in the Jihar-1 and Al Mahr-1 wells sediments are mostly composed of dolomitized argillaceous wackestones and argillaceous limestones of mudstone/wackestone type, respectively. The micropaleontological investigation was focused on the vertical distribution, diversity and composition of the planktonic and benthonic foraminiferal assemblages according to Caron (1985), Kaiho (1998), Pessagno (1967), Premoli Silva & Verga (2004) and Robaszynski et al. (1984). Upper Campanian to Maastrichtian sediments are documented by the following index species of planktonic and benthonic foraminifera: Abathomphalus mayaroensis, Globotruncanella petaloidea, Globotruncanella havanensis, Globotruncanita stuarti, Globotruncanita stuartiformis, Globotruncanita conica, Gansserina gansseri, Contusotruncana contusa, Globotruncana aegyptica, Pseudotextularia elegans, Rugoglobigerina rugosa, Muricohedbergella monmouthensis, Lenticulina mqnsteri, Lenticulina rotulata, Bolivina incrassata, Gaudryna laevigata, Gavelinella monterelensis, Cibicidoides dayi and Bolivinoides dracco. The rich and highly diversified foraminiferal association and lithological characteristics of the Campanian and Maastrichtian sediments suggest the Mediterranean bioprovince with tropical to subtropical climate, and the deposition in the outer shelf to deeper marine environment. REFERENCES CARON, M. (1985): Cretaceous planktonic foraminifera. In In: Bolli, H. M., Saunders, J. B. & Perch-Nielsen, K. (ed.) , Plankton Stratigraphy. Cambridge University Press, pp. 17-86, figs 37, 1 tab., Cambridge.  $@Z\nvR T V t x ŵsj^R^I=hDh*5mH sH hS 5mH sH hDhH=5mH sH hDhf*5mH sH hD5mH sH h3whf*5mH sH h3wh!5mH sH hj5CJaJmHsHhjhj5CJaJmHsHhE+45CJaJmH sH h3wh>E5CJaJmH sH h3wh!5CJaJmH sH h3whf*5CJaJmH sH h 5CJaJmH sH h/>5CJaJmH sH vT V R Z Jf<gd|Z`gd {+gdT`gd+gdE+4`gdj`gdMQ$a$gd< $a$gdE+4_/   " $ B P R * / R W i j ƾ}rg_gWgLh3whASxmH sH hbmH sH hYWmH sH h3wh+mH sH h3whjmH sH hjmH sH hQmH sH h3whf*mH sH h.4mH sH hVmH sH h3whE+4mH sH h3whJmH sH hE+4mH sH h3whE+4CJaJmH sH h.;CJaJmH sH h3whE+45mH sH hS 5mH sH h)e5mH sH j s u |   + , . / 3 N O X Y Z [ ̩}rg_ThThTmH sH h.4mH sH h3whq?mH sH h3whf*mH sH h3wh:mH sH h3whYWmH sH hYWhYWmH sH h3whwcmH sH hJmH sH hYWmH sH hb3mH sH h3wh+mH sH h3wh&XmH sH h3whbmH sH h3whASxmH sH hbmH sH h3wh mH sH  ".IefIJKPruvoddh3wh|ZmH sH  hTh'.h3whgmH sH h3whC0mH sH h3wh\mH sH hKkmH sH hJmH sH h3whsmH sH h3wh'.mH sH hgmH sH hThqmH sH hTh.4mH sH hThq?mH sH hThTmH sH  hThThTmH sH $8Fefly =v:>H`ʺʲʺʤxmxxeh@mH sH hk6]mH sH hbR(6]mH sH hG6]mH sH h^$6]mH sH h6]mH sH h3wh|Z6]mH sH hQmH sH h3wmH sH hmH sH h3wh|ZmH sH h3wh\mH sH hOmH sH h:mH sH hHemH sH h mH sH %`d.3qrwz{,~-.\/]/^/_/ǿǶ~hOhOmHsHh7mH sH  h[h#rh[h[CJ$h[h#rCJOJQJaJmH sH Uh[h#rCJh[mH sH h3wh7mH sH h3wh.4mH sH h.4mH sH h@mH sH h3wh|ZmH sH hKkmH sH ,~-.\/]/^/_/ 0^`0gd[ 70^`0gd/>u 7p#0^`0gd[ 70^`0gd[gdE+4 KAIHO, K. (1998): Phylogeny of deep-sea calcareous trochospiral benthic foraminifera: evolution and diversification. Micropaleont. 44/3, pp. 291-311, 4 text-figs., 4 pls. New York. PESSAGNO, JR., E. A. (1967): Upper Cretaceous planktonic foraminifera from the western Gulf coastal plain. Palaeont. Americana, 5, 37, pp. 245-445, 63 text-figs., 2 tab., 48-101 pls. Ithaca, New York. PREMOLI SILVA, I. & VERGA, D. (2004): Practical Manual of Cretaceous Foraminifera. International School on Planktonic Foraminifera, 3 Course: Cretaceous. Verga & Rettori eds. p. 283, Universities of Perugia and Milan, Tipografia Pontefelcino, Perugia (Italy) ROBASZYNSKI, F., CARON, M., GONZALES DONOSO, J. M. & WONDERS, A. A. H. (1984): Atlas of Late Cretaceous Globotruncanids. Editor EUR. W. G. Plankt. Foram. Rev. Micropaleont. 3-4, 145-405 p., 11 text fig., 54 pl. Paris. 21h:pE+4. 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